sudo yum -y update
I'm not a big fan of their default bash prompt:
echo "export PS1='[\D{%F %T}]\n\[\e]0;\w\a\]\[\e[32m\]\u:\[\e[33m\]\w\[\e[0m\]\n\$ '" >> ~/.bashrc
source ~/.bashrc
:dependsOn org.jetbrains.kotlinx:kotlinx-serialization-json:1.5.1 | |
import kotlinx.serialization.json.Json | |
import kotlinx.serialization.json.JsonObject | |
import kotlinx.serialization.json.JsonArray | |
import kotlinx.serialization.json.JsonPrimitive | |
import kotlinx.serialization.encodeToString | |
java | |
-XX:MaxRAM=<real mem sz in bytes, 10% over max-heap ?> -Xmx512m | |
-XX:+UseCompressedOops -XX:ObjectAlignmentInBytes=8 | |
-XXfullCompaction | |
-XXtlaSize:1k | |
-XX:+UseParallelGC | |
-XX:MinHeapFreeRatio=5 -XX:MaxHeapFreeRatio=10 | |
-XX:GCTimeRatio=2 | |
-XX:AdaptiveSizePolicyWeight=90 | |
-XXaggressive:opt |
import java.util.*; | |
import java.util.stream.Collectors; | |
class Main { | |
static record Record(String asin, String sid, String wid) {} | |
public static void main(String[] args) { | |
var m = | |
Map.ofEntries( | |
Map.entry("k1", List.of(new Record("a1", "s1", "w1"), new Record("a2", "s1", "w1"))), |
from bottle import Bottle, get, post, run, request, response | |
from datetime import datetime | |
from functools import wraps | |
import logging | |
from logging.handlers import RotatingFileHandler | |
logger = logging.getLogger("app") | |
# set up the logger |
case class MyIo[A](unsafeRun : () => A) { | |
def map[B](f: A => B): MyIo[B] = MyIo(() => f(unsafeRun())) | |
def flatMap[B](f: A => MyIo[B]): MyIo[B] = MyIo(() => f(unsafeRun()).unsafeRun()) | |
} | |
val printer = MyIo(() => println("how")) | |
val doit = printer.flatMap( _ => printer) | |
val other = printer.map( _ => println("w")) |
aws application-autoscaling register-scalable-target --region REGION \ | |
--service-namespace sagemaker \ | |
--resource-id endpoint/ENDPOINT_NAME/variant/VARIANT_NAME \ | |
--scalable-dimension sagemaker:variant:DesiredInstanceCount \ | |
--min-capacity MIN_VALUE \ | |
--max-capacity MAX_VALUE | |
target_tracking_json='{"TargetValue": SCALING_VALUE, "PredefinedMetricSpecification": {"PredefinedMetricType": "SageMakerVariantInvocationsPerInstance"}}' | |
echo $target_tracking_json > target_tracking_scaling_policy.json |
import { | |
S3Client, | |
PutObjectCommand, | |
GetObjectAttributesCommand, | |
GetObjectCommand, | |
DeleteObjectCommand, | |
ListObjectsV2Command, | |
} from "@aws-sdk/client-s3"; |
console.log('Loading function'); | |
exports.handler = async (event) => { | |
//console.log('Received event:', JSON.stringify(event, null, 2)); | |
const fails = []; | |
for (const { messageId, body } of event.Records) { | |
console.log('SQS message %s: %j', messageId, body); | |
fails.push(messageId); | |
} |